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IPLV (Integrated Part Load Value)

IPLV is an abbreviation for Integrated Part Load Value.
Like the EER, the IPLV rating was developed
by the Air-Conditioning and Refrigeration Institute. (In 1998, the ARI released
a revised Standard, ARI 550/590-98 to cover IPLV.) Unlike the EER, however,
the IPLV measures the efficiency of air conditioners under a variety of conditions --
that is, when the unit is operating at 25%, 50%, 75% and 100% of capacity and at
different temperatures.

IPLV is only calculated for non-residential central air conditioners -- if you
are purchasing a central air conditioning unit for your home, you should compare
efficiency based on the SEER rather than
the IPLV.

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